I didn’t see it, but I saw a story about it on Radar and people were saying it was awesome. To be honest, I never much cared for Jennifer’s voice. It’s way too throaty, if that makes sense.
It didn’t do anything for me but Amber blew it out of the park when she sang it on Glee.
http://www.thehollywoodgossip.com/videos/amber-riley-i-will-always-love-you-glee-clip/